#include"stdio.h"

int main(void)
{
	printf("hello world\n");
	printf("new hello world\n");
	printf("master1");
	printf("dev1");
	printf("dev2\n");
	print("master2\n");
	print("master3\n");
	print("master4\n");
	print("master5\n");
	print("dev3\n");
	print("dev4\n");
	return 1;
}
